Update duckdb index files

.gitattributes

@@ -47,3 +47,4 @@ animal/challenge_test_topic_diversity_6/index.duckdb filter=lfs diff=lfs merge=l
 animal/challenge_test_topic_diversity_8/index.duckdb filter=lfs diff=lfs merge=lfs -text
 company/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 company/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+company/challenge_test_abstractivity_0/index.duckdb filter=lfs diff=lfs merge=lfs -text

company/challenge_test_abstractivity_0/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0eaedeaa0249880dae8da3a4500cd80413322ab3ccc5b86546ce1c6c54c6996c
+size 2895872